20741790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22303}}^1$

素因数の和:22344

約数の個数: 32

約数和(自身を含む): 51388416

約数和(自身を除く): 30646626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22303, 44606, 66909, 111515, 133818, 223030, 334545, 669090, 691393, 1382786, 2074179, 3456965, 4148358, 6913930, 10370895, 20741790]

約数ペア:

[(1, 20741790), (2, 10370895), (3, 6913930), (5, 4148358), (6, 3456965), (10, 2074179), (15, 1382786), (30, 691393), (31, 669090), (62, 334545), (93, 223030), (155, 133818), (186, 111515), (310, 66909), (465, 44606), (930, 22303)]